Quarter	Billions of US Dollars
1994-04-01	0.12300
1994-10-01	0.37707
1995-01-01	0.53941
1995-04-01	0.53561
1995-07-01	0.52745
1995-10-01	0.13952
1996-04-01	0.18249
1996-07-01	0.33589
1996-10-01	0.33530
1997-01-01	0.62726
1997-04-01	1.74907
1997-07-01	1.62867
1997-10-01	2.10930
1998-01-01	2.31138
1998-04-01	1.32076
1998-07-01	1.78726
1998-10-01	2.51446
1999-01-01	2.75990
1999-04-01	4.08799
1999-07-01	4.75317
1999-10-01	3.36215
2000-01-01	2.26811
2000-04-01	1.71891
2000-07-01	2.16556
2000-10-01	5.09484
2001-01-01	5.40535
2001-04-01	4.33166
2001-07-01	2.14020
2001-10-01	1.49913
2002-01-01	1.43765
2002-04-01	1.60236
2002-07-01	1.82245
2002-10-01	2.22350
2003-01-01	2.18135
2003-04-01	3.00790
2003-07-01	2.88128
2003-10-01	2.48850
2004-01-01	2.07805
2004-04-01	2.09013
2004-07-01	2.12258
2004-10-01	1.61956
2005-01-01	2.13569
2005-04-01	1.91299
2005-07-01	2.79039
2005-10-01	2.60489
2006-01-01	2.09643
2006-04-01	1.85459
2006-07-01	1.32613
2006-10-01	1.07941
2007-01-01	1.38341
2007-04-01	1.12631
2007-07-01	1.14439
2007-10-01	1.94600
2008-01-01	2.35994
2008-04-01	2.49509
2008-07-01	1.85265
2008-10-01	1.65840
2009-01-01	1.15714
2009-04-01	1.48946
2009-07-01	1.53412
2009-10-01	0.99425
2010-01-01	1.28256
2010-04-01	1.72554
2010-07-01	1.71043
2010-10-01	2.11740
2011-01-01	2.03508
2011-04-01	1.49427
2011-07-01	1.37626
2011-10-01	1.48184
2012-01-01	1.49820
2012-04-01	4.21555
2012-07-01	5.14980
2012-10-01	5.14172
2013-01-01	5.49118
2013-04-01	2.43863
2013-07-01	1.83395
2013-10-01	1.10069
2014-01-01	0.67291
2014-04-01	0.88250
2014-07-01	1.50167
2014-10-01	3.80300
2015-01-01	3.22805
2015-04-01	3.43799